#app {
  overflow: hidden;
}
.tran {
  transition: all .2s;
  -webkit-transition: all .2s;
}
.nowrap {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
::-webkit-scrollbar-track {
  -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
  background-color: #F5F5F5;
}
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
  background-color: #F5F5F5;
}
::-webkit-scrollbar-thumb {
  background-color: #3d4a5dd9;
}
